NHAI 494-740 RHS-CONSTRUCTION OF DRAIN FROM KALLUMTHAZHAM BYPASS TO NEAR ICE PLANT

2.5.1.B:Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. (I) By Manual Means (B) Cement Concrete

11.1.1.1:Excavation for Structures Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil (i) Upto 3 m depth

OD466940/2025-2026:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802,803,1202 & 1203 I.P.C.C grade M10 (i) Nominal mix 1:3:6 (for drain bottom layer of drain);, (modification of 11.4.1.1)

12.5.1.1:Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 For height upto 5 m I. P.C.C grade M 15 (i) Nominal mix (1:2.5:5)

11.4.4:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 IV. R.C.C grade M 20

11.8:Supplying, fitting and placingTMT bar reinforcement in foundation complete as per drawings and technical specifications Clauses 1000 and 1202

OD466967/2025-2026:Lifting conveying and fixing the newly casted RCC covering slab of any thickness on top of drain in position including all labour charges and miscellaneous expent etc charge